2016-04-06 00:59:25 +02:00
|
|
|
/**
|
|
|
|
* Control of the LED screen.
|
|
|
|
*/
|
2016-03-10 23:01:04 +01:00
|
|
|
//% color=3 weight=35
|
|
|
|
namespace led {
|
|
|
|
|
2016-04-22 08:44:22 +02:00
|
|
|
// what's the current high value
|
|
|
|
let barGraphHigh = 0;
|
|
|
|
// when was the current high value recorded
|
|
|
|
let barGraphHighLast = 0;
|
|
|
|
// last time serial was written
|
|
|
|
let barGraphLastSerialMessage = 0;
|
|
|
|
// last filtered value
|
|
|
|
let barGraphFilteredValue = 0;
|
|
|
|
|
2016-03-10 23:01:04 +01:00
|
|
|
/**
|
2016-04-22 08:44:22 +02:00
|
|
|
* Displays a vertical bar graph based on the `value` and `high` value.
|
|
|
|
* If `high` is 0, the chart gets adjusted automatically.
|
2016-03-10 23:01:04 +01:00
|
|
|
* @param value current value to plot
|
2016-04-22 08:44:22 +02:00
|
|
|
* @param high maximum value. If 0, maximum value adjusted automatically, eg: 0.
|
2016-03-10 23:01:04 +01:00
|
|
|
*/
|
2016-03-22 06:13:39 +01:00
|
|
|
//% help=/led/plot-bar-graph weight=20
|
2016-03-10 23:01:04 +01:00
|
|
|
//% blockId=device_plot_bar_graph block="plot bar graph of %value |up to %high" icon="\uf080" blockExternalInputs=true
|
2016-04-22 08:44:22 +02:00
|
|
|
export function plotBarGraph(value: number, high: number): void {
|
|
|
|
value = Math.abs(value);
|
|
|
|
barGraphFilteredValue = (barGraphFilteredValue * 3 + value * 7) / 10;
|
|
|
|
let now = input.runningTime();
|
|
|
|
if (now - barGraphLastSerialMessage > 100) {
|
|
|
|
serial.writeString(barGraphFilteredValue.toString() + "\r\n");
|
|
|
|
barGraphLastSerialMessage = now;
|
|
|
|
}
|
2016-03-10 23:01:04 +01:00
|
|
|
|
2016-04-22 08:44:22 +02:00
|
|
|
if (high != 0) barGraphHigh = high;
|
|
|
|
else if (value > barGraphHigh || now - barGraphHighLast > 5000) {
|
|
|
|
barGraphHigh = value;
|
|
|
|
barGraphHighLast = now;
|
|
|
|
}
|
2016-03-10 23:01:04 +01:00
|
|
|
|
2016-04-22 08:44:22 +02:00
|
|
|
barGraphHigh = Math.max(barGraphHigh, 16);
|
|
|
|
|
|
|
|
let v = (value * 15) / barGraphHigh;
|
2016-03-10 23:01:04 +01:00
|
|
|
let k = 0;
|
|
|
|
for(let y = 4; y >= 0; --y) {
|
|
|
|
for (let x = 0; x < 3; ++x) {
|
|
|
|
if (k > v) {
|
|
|
|
unplot(2-x,y);
|
|
|
|
unplot(2+x,y);
|
|
|
|
} else {
|
|
|
|
plot(2-x, y);
|
|
|
|
plot(2+x, y);
|
|
|
|
}
|
|
|
|
++k;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Toggles a particular pixel
|
|
|
|
* @param x TODO
|
|
|
|
* @param y TODO
|
|
|
|
*/
|
2016-03-22 06:13:39 +01:00
|
|
|
//% help=led/toggle
|
2016-03-10 23:01:04 +01:00
|
|
|
export function toggle(x: number, y: number): void {
|
|
|
|
if (led.point(x, y)) {
|
|
|
|
led.unplot(x, y);
|
|
|
|
} else {
|
|
|
|
led.plot(x, y);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Turns all LEDS on
|
|
|
|
*/
|
2016-03-22 06:13:39 +01:00
|
|
|
//% help=led/plot-all
|
2016-03-10 23:01:04 +01:00
|
|
|
export function plotAll(): void {
|
|
|
|
for (let i = 0; i < 5; i++) {
|
|
|
|
for (let j = 0; j < 5; j++) {
|
|
|
|
led.plot(i, j);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Inverts the current LED display
|
|
|
|
*/
|
2016-03-22 06:13:39 +01:00
|
|
|
//% help=led/toggle-all
|
2016-03-10 23:01:04 +01:00
|
|
|
export function toggleAll(): void {
|
|
|
|
for (let i = 0; i < 5; i++) {
|
|
|
|
for (let j = 0; j < 5; j++) {
|
|
|
|
led.toggle(i, j);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Fades in the screen display.
|
|
|
|
* @param ms TODO
|
|
|
|
*/
|
2016-03-22 06:13:39 +01:00
|
|
|
//% help=led/fade-in
|
2016-03-10 23:01:04 +01:00
|
|
|
export function fadeIn(ms: number = 700): void {
|
|
|
|
if (ms < 20) {
|
|
|
|
led.setBrightness(255);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
let dt = 50;
|
|
|
|
let brightness = led.brightness();
|
|
|
|
let start = input.runningTime();
|
|
|
|
let elapsed = 0;
|
|
|
|
while (elapsed < ms) {
|
|
|
|
led.setBrightness(brightness + ((255 - brightness) * elapsed) / ms);
|
|
|
|
basic.pause(dt);
|
|
|
|
elapsed = input.runningTime() - start;
|
|
|
|
}
|
|
|
|
led.setBrightness(255);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Fades out the screen brightness.
|
|
|
|
* @param ms TODO
|
|
|
|
*/
|
2016-03-22 06:13:39 +01:00
|
|
|
//% help=led/fade-out
|
2016-03-10 23:01:04 +01:00
|
|
|
export function fadeOut(ms: number = 700): void {
|
|
|
|
if (ms < 20) {
|
|
|
|
led.setBrightness(0);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
let brightness = led.brightness();
|
|
|
|
let dt = 50;
|
|
|
|
let start = input.runningTime();
|
|
|
|
let elapsed = 0;
|
|
|
|
while (elapsed < ms) {
|
|
|
|
led.setBrightness(brightness - (brightness * elapsed) / ms);
|
|
|
|
basic.pause(dt);
|
|
|
|
elapsed = input.runningTime() - start;
|
|
|
|
}
|
|
|
|
led.setBrightness(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
}
|